27. Physics of black holes

Author:

Library: University of Tabriz Library, Documentation and Publication Center (East Azarbaijan)

Subject: Black holes(Astronomy),Astrophysics

Classification :
QB843
.
B55N68
1989

37. Sotsialism i nauk

Author:

Library: Central Library and Documents Center of Tehran University (Tehran)

Subject: Communisin and Science

Classification :
HX541
.
S646

38. Steam and Gas turbines

Author:

Library: Library of Niroo Research Institue (Tehran)

Subject: ، Steam- turbines,، Gas- turbines

Classification :
TJ
735
.
S74